To place calls to an automated telephone system

From NetMeeting 3.0 Help

To place calls to an automated telephone system

On the View menu, click Dial Pad.
Enter the main telephone number by clicking dial pad buttons or using your computer keyboard, and then click the Place Call button.
After the call is answered by the automated telephone system, use the dial pad to enter the extension number or menu option.

Notes

You must use a gateway or gatekeeper to call a telephone.
If the Place A Call dialog box opens, in Using, select Phone number.
Extension or menu items are sent to the automated telephone system as you type them. Do not click the Place Call button again after entering the numbers on the dial pad.
You cannot enter letters using the dial pad.